<template>
  <div class="icons">
    <swiper :options="swiperOption" ref="mySwiper">
      <swiper-slide v-for="(page, index) in pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" :alt="item.desc">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
      <div class="swiper-pagination" slot="pagination"></div>
    </swiper>

  </div>
</template>

<script>
  export default {
    name: "HomeIcons",
    props: {
      list: Array
    },
    data () {
      return {
        swiperOption: {
          pagination: ".swiper-pagination",
          autoplay: false
        }
      }
    },
    computed: {
      pages() {
          let pages = [];
          this.list.forEach((item, index) => {
            let page = Math.floor(index / 8);
            if (!pages[page]) {
              pages[page] = [];
            }
            pages[page].push(item);
          });
        return pages;
      }
    }
  }
</script>

<style scoped lang="stylus">
  @import "~@/assets/styles/varibles.styl";
  @import "~@/assets/styles/mixins.styl";
  .icons >>> .swiper-container
    height 0
    padding-bottom 55%
    background #fff
  .icons >>> .swiper-pagination-bullet-active
    background rgba(0,175,190,.8) !important
  .icons >>> .swiper-pagination
    bottom .01rem
  .icons
    margin-top .1rem
    .icon
      position relative
      overflow hidden
      width 25%
      height 0
      float left
      padding-bottom 25%
      .icon-img
        position absolute
        top 0
        left 0
        right 0
        bottom .44rem
        box-sizing border-box
        padding .1rem
        .icon-img-content
          display block
          margin 0 auto
          height 100%
      .icon-desc
        position absolute
        left 0
        right 0
        bottom 0
        line-height .44rem
        height .44rem
        color $darkTextColor
        ellipse()
        text-align center
</style>
